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Hitachi High-Technologies GLOBAL

FMR404 High-performance Electromagnetic Flowmeter

FMR404W/EFM204A High-Performance Electromagnetic Flowmeter

Lineup with a new detector (diameter 50-2600mm) model. Supports each function when EFM204A High-performance converter is connected.

Feature

  • Space-saving, smaller face-to-face dimensions.
    The face-to-face dimensions of FMR404 with the diameters from 450 to 2600mm are smaller than conventional models and better fit the installation space limitations.
  • Reduced sensor weight
    The weight of the sensor is reduced compared to conventional models to improve the installation workability.
  • A variety of functions are already in place
    Controls for multiple ranges, flow direction, flow switch, and self-diagnosis are provided as standard. Analog and total-flow pulse signals for reverse flow can be output separately using an optional control.
  • Compatible with commercially available cables
    The sensor and converter are connected via a commercially available two-core cable (CW-S). The cable length can be extended up to 1000m.
  • Enhanced waterproof property(for use with a proprietary cable)
    The conventional buried-type waterproof design was further enhanced to implement the underwater grade(IP68). (Model FMR404U)
  • A watertight model (for use with a proprietary cable)
    The model is suitable for installation in areas affected by temporary floods or vibration-prone sites.(Model FMR404R)

Lineup

Lineups and configuration examples

FMR404W(High-performance watertight type, Compatible with commercially available cables)

FMR404W is a high-performance, watertight flange-type flowmeter (compatible with commercially available cables). The built-in amplifier in the sensor enables cable extension of up to 1000m using commercially available two-core cables.

FMR404R(High-performance watertight type, For use with a proprietary cable)

FMR404R is a high-performance, watertight flange-type flowmeter (for use with a proprietary cable). The model is suitable for installation in areas affected by temporary floods or vibration-prone sites.

FMR404U(High-performance underwater type, For use with a proprietary cable)

FMR404U is a high-performance, underwater flange-type flowmeter (for use with a proprietary cable).The waterproof structure of the sensor is enhanced for long-term use under water.

Specification

Major specifications
ItemDescription
Classification Watertight type Watertight type Underwater type
ModelSensor FMR404W FMR404R FMR404U
Converter EFM204AW EFM204AU
Cable type Commercially available cables Proprietary cable
Piping connection Flange type
Diameter (mm) 50, 80, 100, 150, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1350, 1500, 1600, 1800, 2000, 2200, 2400, 2600
DesignSensor IP67(watertight type) IP68(underwater type)
Converter IP66(waterproof type)
Flow measurement range Minimum range 0-0.1m/s, maximum range 0-10 m/s in terms of flow velocity (varies depending on the diameter)
Accuracy +/-0.5% of readings (varies depending on the flow velocity/diameter)
Output signalFlow 4~20mA DC load resistance:1kΩ max.
Total flow pulse Transistor contact (open collector) 1pulse/h to 1000pulses/s
Contact A combination of up to five parameters selected among multiple-range, flow direction, flow switch, self-diagnosis
Display Instantaneous flow, total flow (backlight graphical liquid crystal display)
Optional function (1) Reverse flow output signal (flow, total flow pulse)
(2) External contact input (remote range switching, zero clamp)
Fluid temperature -20℃ to 70℃(non-freezing)
Ambient temperatureSensor -20℃ to 60℃
Converter -10℃ to 60℃
Power supply 100V/110V AC, 50/60Hz or 24V DC